1 /* $OpenBSD: altq_cbq.h,v 1.10 2004/01/14 08:42:23 kjc Exp $ */ 2 /* $KAME: altq_cbq.h,v 1.5 2000/12/02 13:44:40 kjc Exp $ */ 3 4 /* 5 * Copyright (c) Sun Microsystems, Inc. 1993-1998 All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the SMCC Technology 21 * Development Group at Sun Microsystems, Inc. 22 * 23 * 4. The name of the Sun Microsystems, Inc nor may not be used to endorse or 24 * promote products derived from this software without specific prior 25 * written permission. 26 * 27 * SUN MICROSYSTEMS DOES NOT CLAIM MERCHANTABILITY OF THIS SOFTWARE OR THE 28 * SUITABILITY OF THIS SOFTWARE FOR ANY PARTICULAR PURPOSE. The software is 29 * provided "as is" without express or implied warranty of any kind. 30 * 31 * These notices must be retained in any copies of any part of this software. 32 */ 33 34 #ifndef _ALTQ_ALTQ_CBQ_H_ 35 #define _ALTQ_ALTQ_CBQ_H_ 36 37 #include <altq/altq.h> 38 #include <altq/altq_rmclass.h> 39 #include <altq/altq_red.h> 40 #include <altq/altq_rio.h> 41 42 #ifdef __cplusplus 43 extern "C" { 44 #endif 45 46 #define NULL_CLASS_HANDLE 0 47 48 /* class flags should be same as class flags in rm_class.h */ 49 #define CBQCLF_RED 0x0001 /* use RED */ 50 #define CBQCLF_ECN 0x0002 /* use RED/ECN */ 51 #define CBQCLF_RIO 0x0004 /* use RIO */ 52 #define CBQCLF_FLOWVALVE 0x0008 /* use flowvalve (aka penalty-box) */ 53 #define CBQCLF_CLEARDSCP 0x0010 /* clear diffserv codepoint */ 54 #define CBQCLF_BORROW 0x0020 /* borrow from parent */ 55 56 /* class flags only for root class */ 57 #define CBQCLF_WRR 0x0100 /* weighted-round robin */ 58 #define CBQCLF_EFFICIENT 0x0200 /* work-conserving */ 59 60 /* class flags for special classes */ 61 #define CBQCLF_ROOTCLASS 0x1000 /* root class */ 62 #define CBQCLF_DEFCLASS 0x2000 /* default class */ 63 #define CBQCLF_CLASSMASK 0xf000 /* class mask */ 64 65 #define CBQ_MAXQSIZE 200 66 #define CBQ_MAXPRI RM_MAXPRIO 67 68 typedef struct _cbq_class_stats_ { 69 u_int32_t handle; 70 u_int depth; 71 72 struct pktcntr xmit_cnt; /* packets sent in this class */ 73 struct pktcntr drop_cnt; /* dropped packets */ 74 u_int over; /* # times went over limit */ 75 u_int borrows; /* # times tried to borrow */ 76 u_int overactions; /* # times invoked overlimit action */ 77 u_int delays; /* # times invoked delay actions */ 78 79 /* other static class parameters useful for debugging */ 80 int priority; 81 int maxidle; 82 int minidle; 83 int offtime; 84 int qmax; 85 int ns_per_byte; 86 int wrr_allot; 87 88 int qcnt; /* # packets in queue */ 89 int avgidle; 90 91 /* red and rio related info */ 92 int qtype; 93 struct redstats red[3]; 94 } class_stats_t; 95 96 #ifdef _KERNEL 97 /* 98 * Define macros only good for kernel drivers and modules. 99 */ 100 #define CBQ_WATCHDOG (hz / 20) 101 #define CBQ_TIMEOUT 10 102 #define CBQ_LS_TIMEOUT (20 * hz / 1000) 103 104 #define CBQ_MAX_CLASSES 256 105 106 /* 107 * Define State structures. 108 */ 109 typedef struct cbqstate { 110 int cbq_qlen; /* # of packets in cbq */ 111 struct rm_class *cbq_class_tbl[CBQ_MAX_CLASSES]; 112 113 struct rm_ifdat ifnp; 114 struct callout cbq_callout; /* for timeouts */ 115 } cbq_state_t; 116 117 #endif /* _KERNEL */ 118 119 #ifdef __cplusplus 120 } 121 #endif 122 123 #endif /* !_ALTQ_ALTQ_CBQ_H_ */ 124